Derivatives and Hedging Activities (Derivative Instruments) (Details) (Foreign Exchange Contracts [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Designated as Hedge Instruments [Member]
Derivative assets: foreign exchange contracts	$ 0	[1]
Derivative liabilities: foreign exchange contracts	0	[2]
Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedge Instruments [Member]
Derivative assets: foreign exchange contracts	248	[1]
Derivative liabilities: foreign exchange contracts	$ 200	[2]

[1] All derivative assets are recorded as prepaid expenses and other current assets in the condensed consolidated balance sheet.

[2] All derivative liabilities are recorded as accrued expenses and other current liabilities in the condensed consolidated balance sheet.